Dennis D. Whitehead

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Boise, ID, US

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Patents Grantslast 30 patents

Information Patent Grant
System for and method of preventing toner leakage past developer se...
- Patent number 6,681,087
- Issue date Jan 20, 2004
- Hewlett-Packard Development Company, L.P.
- Dennis D. Whitehead
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic toner use in a non-contact cleanerless system
- Patent number 6,621,996
- Issue date Sep 16, 2003
- Hewlett-Packard Development Company, L.P.
- Brenton L. Meyer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
System for and method of preventing toner leakage past developer se...
- Publication number 20030180069
- Publication date Sep 25, 2003
- Dennis D. Whitehead
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Systems and methods for displaying status of consumable resource
- Publication number 20020108439
- Publication date Aug 15, 2002
- Dennis D. Whitehead
- G01 - MEASURING TESTING